542939553 has 24 divisors (see below), whose sum is σ = 845732160. Its totient is φ = 333658080.

The previous prime is 542939521. The next prime is 542939561. The reversal of 542939553 is 355939245.

542939553 is a `hidden beast` number, since 5 + 4 + 2 + 93 + 9 + 553 = 666.

It is not a de Polignac number, because 542939553 - 2⁵ = 542939521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 542939499 and 542939508.

It is not an unprimeable number, because it can be changed into a prime (542939153) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 95398 + ... + 100928.

It is an arithmetic number, because the mean of its divisors is an integer number (35238840).

Almost surely, 2^542939553 is an apocalyptic number.

It is an amenable number.

542939553 is a deficient number, since it is larger than the sum of its proper divisors (302792607).

542939553 is a wasteful number, since it uses less digits than its factorization.

542939553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6389 (or 6386 counting only the distinct ones).

The product of its digits is 729000, while the sum is 45.

The square root of 542939553 is about 23301.0633448347. The cubic root of 542939553 is about 815.8002367477.

The spelling of 542939553 in words is "five hundred forty-two million, nine hundred thirty-nine thousand, five hundred fifty-three".